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Name: MCP23017T-E/SS
Brand: Microchip Technology
SKU: MCP23017T-E/SS
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology MCP23017T-E/SS

Part No.:: MCP23017T-E/SS

Manufacturer:: Microchip Technology

Package:: 28-SSOP (0.209, 5.30mm Width)

Datasheet:: MCP23017T-E/SS.pdf

Description:: IC I/O EXPANDER 16BIT I2C 28SSOP

In Stock:: 3867

Quantity:: Add To Cart

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MCP23017T-E/SS Specifications

Package/Case:
28-SSOP (0.209, 5.30mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
NumberofI/O:
16
Interface:
I²C
InterruptOutput:
Yes
Features:
POR
OutputType:
Push-Pull
Current-OutputSource/Sink:
25mA
ClockFrequency:
1.7 MHz
Voltage-Supply:
1.8V ~ 5.5V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

MCP23017T-E/SS this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP23017T-E/SS price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for MCP23017T-E/SS to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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MCP23017T-E/SS information

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MCP23017T-E/SS Typical application Circuitry

MCP23017T-E SS

MCP23017T-E/SS is an I/O expander from Microchip Technology, which provides 16 additional I/O pins for microcontrollers via an I2C interface. This device is particularly useful in applications where the microcontroller does not have enough I/O pins or when an expansion is needed without upgrading the main microcontroller.

Application Scenarios

MCP23017T-E/SS finds applications in:

- Home Automation: Controlling lights, thermostats, and other home appliances.

- Industrial Automation: Expanding I/O capabilities for sensors, actuators, and controls.

- Robotics: Adding more sensors and actuators to control systems.

- PCB Design Minimization: Reducing the need for larger microcontrollers with more pins, thereby minimizing PCB size.

Parameter Features

Key features of MCP23017T-E/SS include:

- 16-bit I/O Expander: Provides 16 additional I/O ports.

- I2C Interface: Enables communication with most microcontrollers.

- Configurable Polarity Inversion: Allows for flexible I/O configuration.

- External Interrupt Output: Facilitates immediate response to input changes.

Specific Application Scenario and Circuit Connection

Home Automation Light Control: Utilizing MCP23017T-E/SS to control multiple lights from a single microcontroller.

1. I2C Communication Setup: Connect the SDA (Serial Data) and SCL (Serial Clock) pins of MCP23017T-E/SS to the corresponding I2C bus lines of the microcontroller, ensuring communication for configuration and control commands.

2. Power Supply Connections: Connect the VDD pin to a 5V power supply and the VSS pin to ground, establishing the operating power for MCP23017T-E/SS. A decoupling capacitor close to these pins is recommended to filter out noise.

3. Output Configuration: Configure the I/O pins (GPx) as outputs to connect to the control circuits of the lights. This involves setting the corresponding IODIRA or IODIRB registers to output mode.

4. External Interrupts: If immediate response to input changes is needed, connect the INTA or INTB pins to an interrupt pin on the microcontroller, enabling it to react to changes in input states without constant polling.

Circuit Design Considerations

When integrating MCP23017T-E/SS into a circuit, the following should be considered:

- I2C Addressing: Configure the A0, A1, and A2 address pins appropriately to set the device address, especially important when multiple I2C devices are on the same bus.

- Pull-up Resistors: Ensure proper pull-up resistors are connected to the SDA and SCL lines to maintain signal integrity in the I2C communication.

- Power Supply Stability: Use a stable power supply with adequate decoupling to prevent operational issues caused by power disturbances.

- Electromagnetic Interference (EMI): Design the PCB layout to minimize interference, especially in the routing of I2C bus lines and sensitive I/O connections.

By carefully addressing these design considerations, MCP23017T-E/SS can effectively enhance the I/O capabilities of a microcontroller in a home automation system, facilitating the control of multiple devices and contributing to a more connected and automated environment.

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6. What is the process for return or replacement of MCP23017T-E/SS?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MCP23017T-E/SS.

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